105525254165 has 8 divisors (see below), whose sum is σ = 126663996888. Its totient is φ = 84397742080.

The previous prime is 105525254137. The next prime is 105525254207. The reversal of 105525254165 is 561452525501.

It can be written as a sum of positive squares in 4 ways, for example, as 6819951889 + 98705302276 = 82583^2 + 314174^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105525254165 - 2⁶ = 105525254101 is a prime.

It is a super-2 number, since 2×105525254165² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2786972 + ... + 2824581.

It is an arithmetic number, because the mean of its divisors is an integer number (15832999611).

Almost surely, 2^105525254165 is an apocalyptic number.

It is an amenable number.

105525254165 is a deficient number, since it is larger than the sum of its proper divisors (21138742723).

105525254165 is an equidigital number, since it uses as much as digits as its factorization.

105525254165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615319.

The product of its (nonzero) digits is 300000, while the sum is 41.

Adding to 105525254165 its reverse (561452525501), we get a palindrome (666977779666).

The spelling of 105525254165 in words is "one hundred five billion, five hundred twenty-five million, two hundred fifty-four thousand, one hundred sixty-five".